“The ruling was absurd. [Supreme Court] Justice [John] Roberts in a conservative court has already ruled that the Affordable Care Act is constitutional," she said on CBS's "Face the Nation."

Klobuchar was referring to U.S. District Court Judge Reed O'Connor's ruling on Friday that ObamaCare is unconstitutional because of the law's individual mandate.

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Lawmakers and legal experts from both parties have said they expect the ruling will be overturned and that the health-care law will not be impacted.

Klobuchar said Sunday that the law will remain intact and added that Congress should be "governing from opportunity and not chaos.”

“We should be working to improve the Affordable Care Act, not just throw it out and set it on fire," she said.

“Right now with an administration in place that seems bound and determined to take away people’s health care, we have to protect the ability of people to even have their health care even exist," she added.